Global Patent Index - EP 0907067 A3

EP 0907067 A3 2000-07-05 - Method for filtering the measured data of a magnetic field sensor

Title (en)

Method for filtering the measured data of a magnetic field sensor

Title (de)

Verfahren zur Filterung von Messdaten eines Magnetfeldsensors

Title (fr)

Procédé de filtrage des données de mesure d'un capteur de champ magnétique

Publication

EP 0907067 A3 (DE)

Application

EP 98117708 A

Priority

DE 19743471 A

Abstract (en)

[origin: EP0907067A2] The method involves detecting the measurement data at discrete times, to obtain data pairs (Bx0-Bx4,By0-By4) with mutually orthogonal components of the Earth's magnetic field. The plotted data at least partly lie on the periphery of an ellipse (E), in a plane spanned by the sensor's measurement directions (BX,BY). The data pairs are transformed onto a unit circle (K). The data pairs are transformed onto the unit circle starting from their position in the data collection for determining direction information or angle information.

IPC 1-7 (main, further and additional classification)

G01C 17/38

IPC 8 full level (invention and additional information)

G01C 17/38 (2006.01)

CPC (invention and additional information)

G01C 17/38 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 0907067 A2 19990407; EP 0907067 A3 20000705; EP 0907067 B1 20061102; AT 344437 T 20061115; DE 19743471 A1 19990408; DE 59813782 D1 20061214

INPADOC legal status


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2006-12-14 [REF] CORRESPONDS TO:

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